The Carbonstone Journal

Diamond Education

Diamond Education

Understand diamonds properly. Clear explanations of the 4Cs, diamond shapes, certification and how to get the most beauty for your budget.

How to Choose a Diamond Colour Grade

There is no single best colour letter. Straight recommendations by metal, size and shape, and where the money is better spent instead.

Is an H Colour Diamond Too Yellow?

No. H reads as white face-up in a ring, in every common metal. Where it sits on the scale, when it shines, and the one time to go higher.

What Colour Does a Diamond Look Under UV Light?

Most diamonds that react to UV glow blue. What fluorescence is, how it is graded, whether it matters, and why a blacklight is not a diamond test.

Does Diamond Colour Actually Matter?

Colour matters up to a point, then stops. Where that point sits, what a white diamond really is, and where to save.

What Is an E Colour Diamond?

E is the second-highest colour grade and looks identical to D once set. When it is worth paying for and when it is not.

Are Lab-Grown Diamonds Better Than Mined Diamonds?

Same material, different origin. Where lab-grown genuinely wins, where mined does, and how to decide between them.

Why Does Diamond Colour Start at D? The Grading Scale Explained

The diamond colour scale begins at D for a historical reason, not a gemmological one. Here is the full scale and what to buy.

Is It Wrong to Buy a Lab-Grown Diamond?

The four worries people have about lab-grown diamonds, answered honestly, including the two that contain a grain of truth.

How Coloured Diamonds Are Made

Colour is either grown into a diamond or added afterwards by treatment. Both routes explained, plus what has to be disclosed to you before you buy.

What Are Coloured Diamonds Called? Fancy Colour Grades Explained

The proper name is fancy colour diamonds. How the grading scale works, what modifiers mean, and what trade nicknames like canary really stand for.

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